main {
    width: 700px;
    margin: 50px auto;
  }
  .query {
    display: flex;
  }
  .add label {
    display: block;
  }
  table {
    margin-top: 20px;
  }
  table,td,th {
    border: 1px solid #000;
    border-collapse: collapse;
  
  }
  td {
    width: 100px;
      text-align: center;
  }